Make window scope available to draft contexts
Make window scope available to draft contexts

We do want window options/aliases/keymaps/hooks to be available in
draft context, dont we ?

Fixes #702

danr/kakoune,casimir/kakoune,jjthrash/kakoune,casimir/kakoune,flavius/kakoune,casimir/kakoune,alexherbo2/kakoune,Somasis/kakoune,alexherbo2/kakoune,alexherbo2/kakoune,lenormf/kakoune,jjthrash/kakoune,ekie/kakoune,flavius/kakoune,occivink/kakoune,jjthrash/kakoune,flavius/kakoune,jkonecny12/kakoune,danr/kakoune,Somasis/kakoune,occivink/kakoune,mawww/kakoune,jkonecny12/kakoune,ekie/kakoune,flavius/kakoune,jkonecny12/kakoune,mawww/kakoune,Somasis/kakoune,ekie/kakoune,danr/kakoune,mawww/kakoune,occivink/kakoune,lenormf/kakoune,casimir/kakoune,occivink/kakoune,lenormf/kakoune,lenormf/kakoune,alexherbo2/kakoune,danr/kakoune,ekie/kakoune,Somasis/kakoune,mawww/kakoune,jkonecny12/kakoune,jjthrash/kakoune